Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804469 | Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater system | Yasunori Kasahara, Hideki Goto, Takashi Mizuochi, Yukio Horiuchi, Masatoshi Suzuki +2 more | 2004-10-12 |
| 6775482 | Light receiver | Katsuhiro Shimizu | 2004-08-10 |